红狐娱乐手机客户端，朋友们好，我是五角星老师。下面的英语口语卡片，来自于我制作的 视频专栏课 《口语天天练》，目前有 878 位头条网友一起学习啦，我们每天练习“英语口语”，今天把第87、88课的口语课程ppt，分享给大家，非常欢迎您 加入我们，一起学口语 。
i couldn't get through.
the number you have dialed is busy.
the number you have dialed is power off.
the number you have dialed is out of service.
please try again later.
would you call back tomorrow.
i have received a letter.
send a postcard to me when you arrive in shanghai.
he hasn't answered my letter yet.
we keep in touch with each other by email.
don't forget to put stamps on your letter.